LM49155 - Uplink Noise Suppression & Downlink SNR Enhancement Analog Audio Subsystem
The LM49155 is a fully integrated audio subsystem designed for portable handheld applications such as cellular phones.
The LM49155 combines a Noise Suppression microphone amplifier, a 1.35W mono class D amplifier with ALC, class AB earpiece driver with AGC, a high efficiency, stereo, ground referenc
LM49155 Features
* 1
* 2 Noise cancellation for uplink and downlink without DSP-type artifacts, distortions or delays
* Adapting AGC on ambient noise level & downlink signal strength for earpiece
* Downlink adjustable noise-reducing high pass filter
* E2S Class D Amplifier with ALC
